<?php
/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
*/

/**
 * Description of Image
 *
 * @author dejo
 */
class Tc_Image {

    private $_image;

    public function crop($imgSrc,$thumbnailWidth,$thumbnailHeight) {

        list($widthOrig, $heightOrig) = getimagesize($imgSrc);
        
        $mimeType = $this->mime_content_type($imgSrc);

        switch($mimeType) {
            case "image/jpeg":
            case "image/jpg":
                $myImage = imagecreatefromjpeg($imgSrc);
                break;
            case "image/png":
                $myImage = imagecreatefrompng($imgSrc);
                break;
            case "image/gif":
                $myImage = imagecreatefromgif($imgSrc);
                break;
            default:
                return false;
        }

        $ratioOrig = $widthOrig/$heightOrig;

        if ($thumbnailWidth/$thumbnailHeight > $ratioOrig) {
            $newHeight = $thumbnailWidth/$ratioOrig;
            $newWidth = $thumbnailWidth;
        } else {
            $newWidth = $thumbnailHeight*$ratioOrig;
            $newHeight = $thumbnailHeight;
        }

        $xMid = $newWidth/2;
        $yMid = $newHeight/2;

        $process = imagecreatetruecolor(round($newWidth), round($newHeight));

        imagecopyresampled($process, $myImage, 0, 0, 0, 0, $newWidth, $newHeight, $widthOrig, $heightOrig);
        $this->_image = imagecreatetruecolor($thumbnailWidth, $thumbnailHeight);
        imagecopyresampled($this->_image, $process, 0, 0, ($xMid-($thumbnailWidth/2)), ($yMid-($thumbnailHeight/2)), $thumbnailWidth, $thumbnailHeight, $thumbnailWidth, $thumbnailHeight);

        imagedestroy($process);
        imagedestroy($myImage);
    }

    public function getImagePng() {
        imagepng($this->_image);
    }

    public function saveImagePng($fileName) {
        imagepng($this->_image, $fileName);
    }

    function mime_content_type($filename) {

        $mime_types = array(

            'txt' => 'text/plain',
            'htm' => 'text/html',
            'html' => 'text/html',
            'php' => 'text/html',
            'css' => 'text/css',
            'js' => 'application/javascript',
            'json' => 'application/json',
            'xml' => 'application/xml',
            'swf' => 'application/x-shockwave-flash',
            'flv' => 'video/x-flv',

            // images
            'png' => 'image/png',
            'jpe' => 'image/jpeg',
            'jpeg' => 'image/jpeg',
            'jpg' => 'image/jpeg',
            'gif' => 'image/gif',
            'bmp' => 'image/bmp',
            'ico' => 'image/vnd.microsoft.icon',
            'tiff' => 'image/tiff',
            'tif' => 'image/tiff',
            'svg' => 'image/svg+xml',
            'svgz' => 'image/svg+xml',

            // archives
            'zip' => 'application/zip',
            'rar' => 'application/x-rar-compressed',
            'exe' => 'application/x-msdownload',
            'msi' => 'application/x-msdownload',
            'cab' => 'application/vnd.ms-cab-compressed',

            // audio/video
            'mp3' => 'audio/mpeg',
            'qt' => 'video/quicktime',
            'mov' => 'video/quicktime',

            // adobe
            'pdf' => 'application/pdf',
            'psd' => 'image/vnd.adobe.photoshop',
            'ai' => 'application/postscript',
            'eps' => 'application/postscript',
            'ps' => 'application/postscript',

            // ms office
            'doc' => 'application/msword',
            'rtf' => 'application/rtf',
            'xls' => 'application/vnd.ms-excel',
            'ppt' => 'application/vnd.ms-powerpoint',

            // open office
            'odt' => 'application/vnd.oasis.opendocument.text',
            'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        );

        $ext = strtolower(array_pop(explode('.',$filename)));
        if (array_key_exists($ext, $mime_types)) {
            return $mime_types[$ext];
        }
//        elseif (function_exists('finfo_open')) {
//            $finfo = finfo_open(FILEINFO_MIME);
//            $mimetype = finfo_file($finfo, $filename);
//            finfo_close($finfo);
//            return $mimetype;
//        }
        else {
            return 'application/octet-stream';
        }
    }

}
?>
